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User Interface Developer Jobs in Toronto, ON (NOW HIRING)

Jay Analytix

Python Developer

Toronto, ON · On-site

Develop and maintain user interfaces (UI) using React.js, HTML, CSS, and JavaScript. * Migrating ... Collaborate with front-end developers to ensure seamless integration. General Development: * Write ...

Jay Analytix

Python Developer

Toronto, ON

Develop and maintain user interfaces (UI) using React.js, HTML, CSS, and JavaScript. * Migrating ... Collaborate with front-end developers to ensure seamless integration. General Development: * Write ...

Citi

Lead Java Full Stack Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

Lead Java Developer Role Summary: We are looking for a Java Full-Stack Engineer to design, build ... Develop responsive user interfaces using Angular, leveraging Kendo UI components where appropriate.

Alterna Savings

UX Designer

Toronto, ON

CA$73K - CA$91K/yr

... engineering teams. Incorporate motion design and micro-interactions to enhance engagement and usability. Translate complex system requirements into simple, elegant, and user-friendly interfaces.

Caseware

Staff UX Designer

Toronto, ON · Hybrid

You will work closely with the Product, Engineering, and Design Teams, and with Design leadership ... Design AI-native interaction patterns, including agentic-driven and conversational UI, intelligent ...

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User Interface Developer information

What is a user interface developer?

User Interface Developers, often called UI Developers, are professionals who specialize in creating the visual elements and interactive features of websites, applications, or software. They bridge the gap between design and technical implementation, ensuring that user experiences are both aesthetically pleasing and functionally effective. UI Developers use languages like HTML, CSS, and JavaScript to translate design mockups into working interfaces. They collaborate closely with designers and back-end developers to deliver seamless and responsive digital products.

What are the key skills and qualifications needed to thrive as a user interface developer?

To thrive as a User Interface Developer, you need strong skills in HTML, CSS, JavaScript, and a solid understanding of UI/UX principles, typically supported by a degree in computer science or related field. Familiarity with front-end frameworks like React or Angular, as well as version control systems such as Git, is highly valued. Creativity, attention to detail, and effective collaboration are standout soft skills in this role. These abilities are crucial for building intuitive, visually appealing, and user-friendly interfaces that meet both user needs and business goals.

What are some common challenges user interface developers face when collaborating with designers and backend developers?

User Interface Developers often act as a bridge between design and backend teams, which can present challenges such as interpreting design intentions into functional code and ensuring seamless data integration from backend systems. Miscommunication or unclear requirements can lead to rework or delays, so strong collaboration and proactive communication are essential. Additionally, UI Developers need to balance visual aesthetics with performance and accessibility standards, requiring ongoing dialogue with stakeholders to align on priorities and solutions.

Is a user interface developer a good career?

A user interface developer designs and implements the visual aspects of software applications, often using skills in HTML, CSS, JavaScript, and design tools. It is a growing field with demand for skills in responsive design, user experience, and front-end frameworks, offering opportunities for career advancement and specialization.

What are popular job titles related to User Interface Developer jobs in Toronto, ON?

For User Interface Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching User Interface Developer jobs in Toronto, ON look for?

The top searched job categories for User Interface Developer jobs in Toronto, ON are:

User Interface Developer jobs near you
Infographic showing various User Interface Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 90% Full Time, 6% Part Time, and 4% Contract. Highlights an 73% Physical, 6% Hybrid, and 21% Remote job distribution.

Python Developer

Toronto, ON • On-site

Jay Analytix
See more jobs at Jay Analytixexternal

Full-time

Re-posted 22 days ago

Job description

Location: Toronto/Montreal

Experience: 7+

What do you need to succeed?

  • Bachelor's degree in Computer Science, Computer Engineering or a related field
  • Proficiency with Linux platform, and CI/CD integration tools
  • Proficiency in Python and Flask framework.
  • Strong understanding of React.js and its core principles.
  • Experience with relational databases (e.g. MySQL, MS SQL Server).
  • Familiarity with version control systems (e.g., Git).
  •  Knowledge of RESTful API design and development.
  • Understanding of web development concepts (HTML, CSS, JavaScript).
  • Ability to write unit and integration tests.
  • Strong problem-solving and analytical skills.
  •  Excellent communication and collaboration skills.
  • Experience with Agile development methodologies is a plus.
  • Familiarity with data analysis tools is a plus

What will you do?

Front-end Development (React):

  • Develop and maintain user interfaces (UI) using React.js, HTML, CSS, and JavaScript.
  • Migrating legacy JS front-end to latest platform
  • Build reusable components and libraries for future use. 
  • Optimize front-end performance for responsiveness and speed. 
  • Collaborate with designers to implement UI/UX designs. 
  • Troubleshoot and debug front-end issues. 
     

Back-end Development (Flask):

  • Design and implement web applications using the Flask framework. 
  • Develop and maintain RESTful APIs. 
  • Work with databases and manage data flow. 
  • Ensure code quality and maintainability. 
  • Collaborate with front-end developers to ensure seamless integration. 
     

General Development:

  • Write clean, efficient, and maintainable code. 
  • Identify and address performance bottlenecks to ensure a smooth user experience
  • Contribute to data collection and analytics
  •  Work with the application with other core services and integrate front-end elements
  • Stay up-to-date with the latest web technologies and best practices. 
  • Troubleshoot and debug issues promptly. 
  • Thoroughly test and debug code to ensure application stability and performance